AMD Radeon Pro Duo Polaris vs AMD Radeon R9 M385
GPU Specs Compare
Graphics Card
Release Date
Apr 2017
May 2015
Generation
Radeon Pro GCN
Gem System
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1750 MHz
1200 MHz
Base Clock
-
900 MHz
Boost Clock
-
1000 MHz
Memory
Memory Size
16GB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
128bit
Bandwidth
224.0GB/s
76.80GB/s
Render Config
Compute Units
36
14
Shading Units
2304
896
TMUs
144
56
ROPs
32
16
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
2 MB
256 KB
Theoretical Performance
Pixel Rate
39.78 GPixel/s
16.00 GPixel/s
Texture Rate
179.0 GTexel/s
56.00 GTexel/s
FP16 (half)
5.728 TFLOPS
-
FP32 (float)
5.728 TFLOPS
1.792 TFLOPS
FP64 (double)
358.0 GFLOPS
112.0 GFLOPS
Graphics Processor
GPU Name
Ellesmere
Strato
GPU Variant
Ellesmere Gemini GL
Strato XT
Architecture
GCN 4.0
GCN 2.0
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
28 nm
Transistors
5.7 billion
2.08 billion
Die Size
232 mm²
160 mm²
Board Design
TDP
250W
Unknown
Suggested PSU
600 W
-
Outputs
1x HDMI 2.0b3x DisplayPort 1.4a
Portable Device Dependent
Power Connectors
1x 6-pin + 1x 8-pin
-
Graphics Features
DirectX
12 (12_0)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.1
2.1
Vulkan
1.3
1.2.170
Shader Model
6.7
6.5